


Spot Forecast
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
978 FNUS74 KHGX 091925 FWSHGX Spot Forecast for Grimes 4750...TAMFS National Weather Service Houston/Galveston TX 225 PM CDT Thu Oct 9 2025 If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Minimum relative humidity values this afternoon will be around 40 percent with northeasterly winds around 10 mph with occasional higher gusts continuing through sunset. Mixing heights in the 5,000 to 6,000 ft range through the afternoon then drop below 1,000 ft after 10PM this evening. Drier air fills into the region later today and tonight. Winds on Friday will decrease to 7-12 mph. Elevated fire weather conditions continue through at least Friday due to the combination of dry air, dry fuels, and breezy winds. Though wind speeds are expected to be below Red Flag Warning criteria, the Texas A&M Forest Service is forecasting a high to very high fire danger for this area. .REST OF TODAY... TIME (CDT) 3PM 4PM 5PM Sky cover.......CLR CLR CLR Sky (%).........5 2 1 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 Temp............89 90 90 RH..............40 38 38 Aparnt tmp (F)..90 90 90 20 FT wind dir..NE NE NE 20 FT wind spd..8 8 8 20 FT wind gust.18 18 17 Mix hgt (kft)...6.4 6.5 5.6 Mix hgt (km)....2.0 2.0 1.7 Transp wind dir.E NE E Transp wind spd.14 14 14 Trans wind dir..E NE E Trans spd (m/s).6 6 6 Ceiling (kft)...25 25 25 Visibility (sm).10 10 10 .TONIGHT... TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky cover.......CLR MCR MCR MCR CLR CLR CLR CLR CLR CLR CLR CLR Sky (%).........1 9 11 8 1 0 0 4 1 2 4 4 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Temp............88 85 81 79 77 75 73 73 71 70 70 67 RH..............40 44 51 54 58 62 66 66 66 66 66 70 Aparnt tmp (F)..88 85 82 80 77 75 73 73 71 70 70 67 20 FT wind dir..NE NE NE E E E E E E E E NE 20 FT wind spd..8 7 7 6 6 6 6 6 5 5 5 5 20 FT wind gust.16 15 14 13 12 12 12 12 12 13 13 13 Mix hgt (kft)...4.0 1.8 1.5 1.3 1.1 0.9 0.7 0.4 0.3 0.2 0.2 0.2 Mix hgt (km)....1.2 0.5 0.5 0.4 0.3 0.3 0.2 0.1 0.1 0.1 0.1 0.1 Transp wind dir.E NE E E NE NE E E E E E E Transp wind spd.15 12 12 9 9 9 9 10 12 12 9 8 Trans wind dir..E NE E E NE NE E E E E E E Trans spd (m/s).7 5 5 4 4 4 4 4 5 5 4 4 Ceiling (kft)...25 25 25 25 25 25 25 25 25 25 25 25 Visibility (sm).10 10 10 10 10 10 10 10 10 10 10 10 .FRIDAY... TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......CLR CLR CLR CLR CLR CLR MCR MCR MCR MCR MCR MCR Sky (%).........4 5 5 0 2 1 6 6 9 7 10 7 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Temp............66 66 65 69 76 79 83 86 87 87 89 87 RH..............67 66 66 56 43 39 34 32 30 29 28 29 Aparnt tmp (F)..66 66 65 69 76 79 82 84 84 85 86 85 20 FT wind dir..NE E E E E NE NE NE NE NE NE NE 20 FT wind spd..5 5 5 7 7 6 6 6 7 7 7 7 20 FT wind gust.13 12 13 13 14 14 15 15 16 16 16 15 Mix hgt (kft)...0.2 0.2 0.4 0.9 1.6 2.4 3.4 4.8 6.1 7.0 7.0 5.6 Mix hgt (km)....0.1 0.1 0.1 0.3 0.5 0.7 1.0 1.5 1.9 2.1 2.1 1.7 Transp wind dir.E E E E NE NE NE N N N N N Transp wind spd.8 9 7 10 8 8 9 12 14 15 15 14 Trans wind dir..E E E E NE NE NE N N N N N Trans spd (m/s).4 4 3 4 4 4 4 5 6 7 7 6 Ceiling (kft)...25 25 25 25 25 25 25 25 25 25 25 25 Visibility (sm).10 10 10 10 10 10 10 10 10 10 10 10 $$ Forecaster...Batiste Requested by...Matthew Tripp Type of request...WILDFIRE .TAG 2523251.0/HGX .DELDT 10/09/25 .FormatterVersion 2.0.0 .EMAIL csdispatch@tfs.tamu.edu